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Finding the Fourth Proportional to 229,444.56, 316,505.88 and 213,207.48

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Solution

The fourth proportional to 229,444.56, 316,505.88 and 213,207.48 is: 294,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,444.56 : 316,505.88 = 213,207.48 : x
  2. Step 2: Convert to fraction form
    229,444.56/316,505.88 = 213,207.48/x
  3. Step 3: Cross multiply
    229,444.56x = 316,505.88 × 213,207.48
  4. Step 4: Simplify right side
    229,444.56x = 67,481,421,079.98
  5. Step 5: Solve for x
    x = 67,481,421,079.98/229,444.56
  6. Step 6: Final answer
    x = 294,107.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.